JSFiddle - React, Tailwind, and code Playground
HTML
<div id='box'></div>
<div class='opposite'></div>
<div class='opposite a'>this one</div>
CSS
#box {
height:50px;
width:100px;
background:red;
-webkit-transform: skew(30deg);
}
.opposite {
margin:50px;
height:50px;
width:100px;
background:red;
-webkit-transform: rotate(30deg) skew(30deg);
}
.a { -webkit-transform: skew(30deg) rotate(30deg); }